Chance of severe thunderstorms today in portions of the National Weather Service, Norman coverage area

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NORMAN OK
THU MAR 29 2012

HARPER-WOODS-ALFALFA-GRANT-KAY-ELLIS-WOODWARD-MAJOR-GARFIELD-NOBLE-
ROGER MILLS-DEWEY-CUSTER-BLAINE-KINGFISHER-LOGAN-PAYNE-BECKHAM-
WASHITA-CADDO-CANADIAN-OKLAHOMA-LINCOLN-GRADY-MCCLAIN-CLEVELAND-
POTTAWATOMIE-SEMINOLE-HUGHES-HARMON-GREER-KIOWA-JACKSON-TILLMAN-
COMANCHE-STEPHENS-GARVIN-MURRAY-PONTOTOC-COAL-COTTON-JEFFERSON-
CARTER-JOHNSTON-ATOKA-LOVE-MARSHALL-BRYAN-HARDEMAN-FOARD-WILBARGER-
WICHITA-KNOX-BAYLOR-ARCHER-CLAY-
THU MAR 29 2012

THIS HAZARDOUS WEATHER OUTLOOK COVERS NORTHERN…WESTERN…
CENTRAL…AND SOUTHERN OKLAHOMA…AND WESTERN NORTH TEXAS.

.DAY ONE…TODAY AND TONIGHT…

THUNDERSTORM OUTLOOK…
THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS LATE
THIS AFTERNOON THROUGH THIS EVENING ACROSS WESTERN AND
NORTHERN OKLAHOMA AS WELL AS FAR WESTERN NORTH TEXAS.

LOCATION…
THE SLIGHT RISK AREA INCLUDES LOCATIONS MAINLY NORTHWEST OF A
CROWELL TO STILLWATER LINE AND SOUTH OF A GAGE TO CAMP HOUSTON
LINE…INCLUDING ENID…ALVA…ALTUS…CLINTON…ELK CITY…
SAYRE…WATONGA…WEATHERFORD…HOBART…AND PONCA CITY.

TIMING…
THE MOST LIKELY TIME FOR SEVERE THUNDERSTORMS WILL BE FROM
4 PM THROUGH MIDNIGHT.

IMPACTS…
VERY LARGE HAIL UP TO THE SIZE OF BASEBALLS WILL BE THE MAIN
HAZARD WITH ANY SEVERE STORM. SOME DAMAGE TO AUTOMOBILES AND TENDER
VEGETATION FROM LARGE HAIL MAY OCCUR.

IN ADDITION…DAMAGING WIND GUSTS UP TO 70 MPH ARE POSSIBLE AS WELL.

RECOMMENDED ACTIONS…
STORM SPOTTER GROUPS AND EMERGENCY MANAGEMENT PERSONNEL ACROSS THE
RISK AREA SHOULD PLAN FOR SEVERE WEATHER OPERATIONS FROM 4 PM
THROUGH MIDNIGHT.

DISCUSSION…
ISOLATED TO SCATTERED THUNDERSTORMS WILL DEVELOP ALONG A COLD FRONT
AND DRYLINE OVER NORTHWEST OKLAHOMA AND THE EASTERN TEXAS PANHANDLE
LATE THIS AFTERNOON AHEAD OF AN APPROACHING WEAK LOW PRESSURE
DISTURBANCE. THESE STORMS WILL SLOWLY MOVE EAST INTO WESTERN AND
NORTHERN OKLAHOMA AS WELL AS FAR WESTERN NORTH TEXAS DURING THE
LATE AFTERNOON AND EVENING HOURS. STORMS WILL WEAKEN AFTER
MIDNIGHT CDT AS THEY MOVE EAST TOWARDS CENTRAL OKLAHOMA.

PROBABILITY TABLE…
VALID THROUGH 700 AM CDT FRIDAY MAR 30.
PROBABILITY OF THUNDERSTORMS OCCURRING IN THE             
              NWS NORMAN COUNTY WARNING AREA…70 PERCENT.
PROBABILITY OF SEVERE STORMS IF STORMS OCCUR…60 PERCENT.

OTHER HAZARDOUS WEATHER…
LOCALLY DENSE FOG WILL LOWER VISIBILITIES TO 1/4 MILE OR LESS ACROSS
PARTS OF MAINLY SOUTHERN OKLAHOMA AND WESTERN NORTH TEXAS THROUGH
8 AM CDT THIS MORNING.

.DAYS TWO THROUGH SEVEN…FRIDAY THROUGH WEDNESDAY…

THUNDERSTORM OUTLOOK…
CHANCES FOR SHOWERS AND THUNDERSTORMS WILL CONTINUE INTO
FRIDAY…MAINLY ACROSS SOUTH CENTRAL OKLAHOMA…AS THE LOW
PRESSURE DISTURBANCE MOVES THROUGH THE AREA.

A FEW STRONG TO SEVERE THUNDERSTORMS WITH LARGE HAIL AND DAMAGING
WINDS ARE POSSIBLE FRIDAY AFTERNOON AND EVENING MAINLY SOUTHEAST OF
A WICHITA FALLS TO OKLAHOMA CITY TO STILLWATER LINE.

ANOTHER OPPORTUNITY FOR STRONG TO SEVERE THUNDERSTORMS MAY OCCUR
EAST OF I-35 SUNDAY NIGHT TO MONDAY.

OTHER HAZARDOUS WEATHER…
CRITICAL WILDFIRE CONDITIONS AND STRONG WINDS ARE POSSIBLE ACROSS
FAR WESTERN OKLAHOMA AND FAR WESTERN NORTH TEXAS ON SUNDAY.

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